Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method performed by a wireless communication device, comprising: receiving a first message from a wireless communication node, wherein the first message is configured to resume a Radio Resource Control (RRC) connection between the wireless communication device and the wireless communication node in response to a second message transmitted to the wireless communication node, and wherein the second message requests resuming the RRC connection between the wireless communication device and the wireless communication node; and transmitting a third message to the wireless communication node, wherein the third message indicates a completion of the RRC connection and comprises a SAE-Temporary Mobile Subscriber Identity (S-TMSI), wherein the S-TMSI indicates an identity of the wireless communication device that is matched with context information associated with the wireless communication device, wherein the context information was stored by the wireless communication device during a previous RRC connection between the wireless communication node and the wireless communication device.
A wireless communication device resumes a Radio Resource Control (RRC) connection with a wireless communication node by exchanging messages. The device receives a first message from the node, which triggers the resumption of the RRC connection in response to a prior request message sent by the device. After receiving the first message, the device transmits a third message to the node, confirming the completion of the RRC connection. The third message includes a SAE-Temporary Mobile Subscriber Identity (S-TMSI), which uniquely identifies the device and is linked to stored context information from a previous RRC connection. This context information, retained by the device, ensures continuity and efficiency in the resumed connection by avoiding the need to re-establish all parameters from scratch. The method optimizes the resumption process by leveraging pre-stored context, reducing signaling overhead and latency. The S-TMSI ensures the correct context is retrieved, maintaining seamless communication. This approach is particularly useful in scenarios where devices frequently transition between connected and idle states, such as in mobile networks.
2. The method of claim 1 further comprising: based on receiving the first message in response to transmitting the second message to the wireless communication node, determining to transmit the third message to the wireless communication node.
This invention relates to wireless communication systems, specifically methods for managing message transmission between nodes. The problem addressed is the need for efficient and reliable message exchange in wireless networks, particularly in scenarios where acknowledgment or response messages are expected. The invention provides a method to dynamically determine whether to transmit a subsequent message based on the receipt of a prior response message. The method involves transmitting a second message to a wireless communication node. Upon receiving a first message in response to this transmission, the system determines whether to send a third message to the same node. This decision is based on the receipt of the first message, ensuring that subsequent transmissions are conditional on prior acknowledgments or responses. The method may also include additional steps such as generating the second message, encoding it for transmission, and processing the received first message to assess whether the third message should be sent. The system may further adjust transmission parameters or retry mechanisms based on the received response, optimizing communication efficiency and reliability. This approach reduces unnecessary transmissions, conserves network resources, and improves overall communication performance in wireless environments.
3. A method performed by a wireless communication node, comprising: receiving a first message from a wireless communication device, wherein the first message requests resuming a Radio Resource Control (RRC) connection between the wireless communication node and the wireless communication device; transmitting a second message to the wireless communication device in response to the first message, wherein the second message is configured to resume the RRC connection between the wireless communication node and the wireless communication device; and receiving a third message from the wireless communication device, wherein the third message indicates a completion of the RRC connection and comprises a System Architecture Evolustion (SAE)-Temporary Mobile Subscriber Identity (S-TMSI), wherein the S-TMSI indicates an identity of the wireless communication device that is matched with context information associated with the wireless communication device, wherein the context information was stored by the wireless communication device during a previous RRC connection between the wireless communication node and the wireless communication device.
This invention relates to wireless communication systems, specifically methods for efficiently resuming a Radio Resource Control (RRC) connection between a wireless communication node and a wireless communication device. The problem addressed is the need to quickly reestablish an RRC connection while minimizing signaling overhead and ensuring the device's identity and context information are correctly matched. The method involves a wireless communication node receiving a first message from a wireless communication device requesting to resume an RRC connection. In response, the node transmits a second message to the device to resume the connection. After resumption, the node receives a third message from the device confirming the completion of the RRC connection. This third message includes a System Architecture Evolution (SAE)-Temporary Mobile Subscriber Identity (S-TMSI), which uniquely identifies the device and is matched with context information stored during a previous RRC connection. The context information, which may include device-specific parameters and configuration details, ensures seamless resumption without requiring full reconfiguration. This approach reduces latency and signaling overhead by leveraging stored context information, improving the efficiency of RRC connection resumption in wireless networks. The use of S-TMSI ensures accurate device identification and context matching, enhancing reliability.
4. The method of claim 3 wherein the third message is received in response to transmitting the second message.
A system and method for secure communication involves exchanging messages between devices to establish a secure connection. The process begins with a first device transmitting a first message to a second device, where the first message includes a request for a secure connection. The second device then transmits a second message back to the first device, containing authentication data to verify the identity of the second device. The first device validates this authentication data and, upon successful verification, transmits a third message to the second device. This third message is received by the second device in response to the transmission of the second message, confirming the establishment of a secure communication channel. The method ensures that both devices authenticate each other before exchanging sensitive data, preventing unauthorized access and enhancing security in communication protocols. The system is particularly useful in environments where secure data transmission is critical, such as financial transactions, healthcare data exchange, or encrypted messaging platforms. The method may be implemented in various communication protocols, including but not limited to TLS, SSH, or other cryptographic handshake mechanisms. The invention improves upon existing secure communication methods by ensuring bidirectional authentication and reducing the risk of man-in-the-middle attacks.
5. A method performed by a wireless communication device, comprising: receiving a dedicated notification message from a wireless communication node, wherein the dedicated notification message indicates an establishment of Signaling Radio Bearers (SRBs) using a Packet Data Convergence Protocol (PDCP) layer in a transparent mode; and establishing the SRBs using the PDCP layer in a transparent mode prior to an establishment of Access Stratum (AS) security.
This invention relates to wireless communication systems, specifically improving the establishment of Signaling Radio Bearers (SRBs) in a wireless communication device. The problem addressed is the delay and inefficiency in SRB setup due to the traditional requirement of establishing Access Stratum (AS) security before SRB configuration. The invention proposes a method where a wireless communication device receives a dedicated notification message from a wireless communication node, such as a base station, indicating that SRBs will be established using the Packet Data Convergence Protocol (PDCP) layer in transparent mode. In transparent mode, the PDCP layer does not perform encryption or integrity protection, allowing SRBs to be set up before AS security is fully established. This reduces latency and improves efficiency in the initial signaling process. The method involves the device then establishing these SRBs using the PDCP layer in transparent mode prior to AS security activation. This approach streamlines the connection setup phase, particularly in scenarios where rapid signaling is critical, such as in high-mobility or low-latency applications. The invention ensures backward compatibility by allowing the PDCP layer to switch to non-transparent mode once AS security is activated.
6. A method performed by a wireless communication node, comprising: transmitting a dedicated notification message to a wireless communication device, wherein the dedicated notification message indicates an establishment of Signaling Radio Bearers (SRBs) using a Packet Data Convergence Protocol (PDCP) layer in a transparent mode; and establishing the SRBs using the PDCP layer in a transparent mode prior to an establishment of Access Stratum (AS) security.
This invention relates to wireless communication systems, specifically improving the establishment of Signaling Radio Bearers (SRBs) in a more efficient manner. The problem addressed is the delay and complexity introduced by traditional SRB establishment procedures, which typically require full Access Stratum (AS) security activation before SRBs can be used. This delay can impact the overall performance and responsiveness of the wireless communication system. The invention describes a method performed by a wireless communication node, such as a base station, to accelerate SRB establishment. The method involves transmitting a dedicated notification message to a wireless communication device, such as a user equipment (UE). This notification message indicates that SRBs will be established using the Packet Data Convergence Protocol (PDCP) layer in a transparent mode. In transparent mode, the PDCP layer does not perform encryption or integrity protection, allowing the SRBs to be established before AS security is fully activated. This early establishment reduces latency and improves system efficiency. After transmitting the notification, the wireless communication node proceeds to establish the SRBs using the PDCP layer in transparent mode. This allows signaling to begin earlier in the connection process, before AS security is fully configured. The invention thus optimizes the signaling setup phase in wireless communication systems, particularly in scenarios where rapid SRB establishment is beneficial.
7. A non-transitory computer-readable medium storing computer-executable instructions that when executed perform any one of the methods of any one of claims 1 - 6 .
This invention relates to a computer-readable medium storing executable instructions for performing methods related to data processing or computational tasks. The medium contains instructions that, when executed, carry out one or more of the following operations: data analysis, algorithmic processing, system optimization, or task automation. The methods may involve receiving input data, applying computational techniques to transform or analyze the data, and generating output results. The instructions are designed to be executed by a computing device, enabling efficient and automated execution of the specified processes. The medium ensures that the instructions are persistently stored and can be retrieved for execution as needed. The invention aims to provide a reliable and accessible way to perform predefined computational tasks, improving efficiency and reducing manual intervention in data processing workflows. The methods may include steps such as data validation, error handling, or iterative processing to ensure accuracy and robustness. The computer-readable medium can be any non-volatile storage device, such as a hard drive, SSD, or optical disk, capable of storing and retrieving the executable instructions. The invention addresses the need for automated and efficient execution of computational methods in various applications, including scientific research, business analytics, and software development.
8. A wireless communication device, comprising: a receiver configured to receive a first message from a wireless communication node, wherein the first message is configured to resume a Radio Resource Control (RRC) connection between the wireless communication device and the wireless communication node in response to a second message transmitted to the wireless communication node, and wherein the second message requests resuming the RRC connection between the wireless communication device and the wireless communication node; and a transmitter configured to transmit a third message to the wireless communication node, wherein the third message indicates a completion of the RRC connection and comprises a SAE-Temporary Mobile Subscriber Identity (S-TMSI), wherein the S-TMSI indicates an identity of the wireless communication device that is matched with context information associated with the wireless communication device, wherein the context information was stored by the wireless communication device during a previous RRC connection between the wireless communication node and the wireless communication device.
This invention relates to wireless communication systems, specifically to methods for efficiently resuming a Radio Resource Control (RRC) connection between a wireless communication device and a wireless communication node. The problem addressed is the need to quickly reestablish an RRC connection while minimizing signaling overhead and ensuring the device's identity and context information are correctly matched. The wireless communication device includes a receiver that receives a first message from a wireless communication node, which triggers the resumption of an RRC connection. This first message is sent in response to a second message transmitted by the device, which explicitly requests the resumption of the RRC connection. The device also includes a transmitter that sends a third message to the wireless communication node, confirming the completion of the RRC connection. This third message includes a SAE-Temporary Mobile Subscriber Identity (S-TMSI), which uniquely identifies the device and is linked to context information stored during a previous RRC connection. The context information, such as configuration parameters and session details, ensures seamless reconnection without requiring full reconfiguration. This approach reduces latency and signaling overhead in wireless networks.
9. The wireless communication device of claim 8 , further comprising: at least one processor configured to, based on receiving the first message in response to transmitting the second message to the wireless communication node, determine to transmit the third message to the wireless communication node.
This invention relates to wireless communication devices and methods for managing message transmission in wireless networks. The problem addressed is the need for efficient and reliable message exchange between wireless communication devices and nodes, particularly in scenarios where timely transmission decisions are critical. The wireless communication device includes at least one processor configured to transmit a second message to a wireless communication node. Upon receiving a first message in response to the second message, the processor determines whether to transmit a third message to the wireless communication node. This decision-making process ensures that the device responds appropriately to received messages, optimizing communication efficiency and reducing unnecessary transmissions. The device may also include a memory storing instructions executable by the processor to perform these operations. The processor may further be configured to transmit the third message to the wireless communication node based on the determination, ensuring that the device adapts its communication behavior dynamically. Additionally, the device may include a transceiver for wireless communication, enabling the exchange of messages with the wireless communication node. This invention improves wireless communication by enabling devices to make context-aware transmission decisions, reducing latency and improving resource utilization in wireless networks. The system ensures that messages are transmitted only when necessary, enhancing overall network performance.
10. A wireless communication node, comprising: a receiver configured to receive a first message from a wireless communication device, wherein the first message requests resuming a Radio Resource Control (RRC) connection between the wireless communication node and the wireless communication device; a transmitter configured to transmit a second message to the wireless communication device in response to the first message, wherein the second message is configured to resume the RRC connection between the wireless communication node and the wireless communication device; and wherein the receiver is further configured to receive a third message from the wireless communication device, wherein the third message indicates a completion of the RRC connection and comprises a System Architecture Evolustion (SAE)-Temporary Mobile Subscriber Identity (S-TMSI), wherein the S-TMSI indicates an identity of the wireless communication device that is matched with context information associated with the wireless communication device, wherein the context information was stored by the wireless communication device during a previous RRC connection between the wireless communication node and the wireless communication device.
This invention relates to wireless communication systems, specifically methods for efficiently resuming a Radio Resource Control (RRC) connection between a wireless communication node and a wireless communication device. The problem addressed is the need for a streamlined process to reestablish an RRC connection while maintaining context information from a previous connection, reducing signaling overhead and latency. The wireless communication node includes a receiver and a transmitter. The receiver is configured to receive a first message from a wireless communication device, requesting resumption of an RRC connection. In response, the transmitter sends a second message to the wireless communication device to resume the connection. After resumption, the receiver obtains a third message from the wireless communication device, indicating completion of the RRC connection. This third message includes a System Architecture Evolution (SAE)-Temporary Mobile Subscriber Identity (S-TMSI), which uniquely identifies the device and is matched with stored context information from a prior RRC connection. This context information, retained by the wireless communication device, ensures continuity and reduces the need for reconfiguration, improving efficiency in wireless communication systems.
11. The wireless communication node of claim 10 , wherein the third message is received in response to transmitting the second message.
A wireless communication node is configured to manage communication sessions in a network environment where devices may transition between different network states. The node includes a processor and a memory storing instructions that, when executed, cause the node to perform operations. The node transmits a first message to a second wireless communication node to initiate a communication session. The first message includes a request for the second node to transition from a low-power state to an active state. The node then transmits a second message to the second node, where the second message includes a request for the second node to transition back to the low-power state. The node receives a third message from the second node in response to the second message, confirming the transition to the low-power state. The node may also monitor the communication session to determine when to transition the second node between states, optimizing power consumption while maintaining communication efficiency. The node may further include a transceiver for wireless communication and a power management module to control state transitions. The system ensures efficient power management by dynamically adjusting the operational state of the second node based on communication needs.
12. A wireless communication device, comprising: a receiver configured to receive a dedicated notification message from a wireless communication node, wherein the dedicated notification message indicates an establishment of Signaling Radio Bearers (SRBs) using a Packet Data Convergence Protocol (PDCP) layer in a transparent mode; and at least one processor configured to establish the SRBs using the PDCP layer in a transparent mode prior to an establishment of Access Stratum (AS) security.
This invention relates to wireless communication devices and methods for establishing Signaling Radio Bearers (SRBs) in a transparent mode before Access Stratum (AS) security is established. In wireless communication systems, SRBs are used to exchange control signaling between a user device and a network node. Typically, SRBs are secured using AS security mechanisms, which involve encryption and integrity protection. However, establishing AS security can introduce delays, especially during initial connection setup or handover procedures. The invention addresses this issue by enabling a wireless communication device to receive a dedicated notification message from a wireless communication node, such as a base station. This message indicates that SRBs should be established using the Packet Data Convergence Protocol (PDCP) layer in a transparent mode. In transparent mode, the PDCP layer does not perform encryption or integrity checks, allowing faster SRB establishment. The device then configures the PDCP layer in transparent mode to set up the SRBs before AS security is activated. This approach reduces latency in control signaling, improving system efficiency and user experience during initial access or mobility procedures. The invention is particularly useful in scenarios where rapid signaling is required, such as in 5G or other advanced wireless networks.
13. A wireless communication node, comprising: a transmitter configured to transmit a dedicated notification message to a wireless communication device, wherein the dedicated notification message indicates an establishment of Signaling Radio Bearers (SRBs) using a Packet Data Convergence Protocol (PDCP) layer in a transparent mode; and at least one processor configured to establish the SRBs using the PDCP layer in a transparent mode prior to an establishment of Access Stratum (AS) security.
This invention relates to wireless communication systems, specifically improving the establishment of Signaling Radio Bearers (SRBs) in a more efficient manner. The problem addressed is the delay and complexity associated with traditional SRB setup, which typically requires full Access Stratum (AS) security activation before SRBs can be used. The solution involves using the Packet Data Convergence Protocol (PDCP) layer in a transparent mode to establish SRBs before AS security is fully activated, reducing latency and simplifying the process. The wireless communication node includes a transmitter that sends a dedicated notification message to a wireless communication device. This message signals that SRBs will be established using the PDCP layer in transparent mode, bypassing the need for AS security at the initial stage. The node also includes at least one processor that configures the PDCP layer to operate in transparent mode, allowing SRBs to be set up before AS security is fully established. This approach enables faster signaling and reduces the overhead typically associated with security activation, improving overall system efficiency. The transparent mode ensures that data is passed through the PDCP layer without encryption or integrity protection, allowing for quick setup while maintaining compatibility with existing protocols.
Unknown
March 31, 2020
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